<?php

$a = 5;
$b = 6;

$a = $a * $b; //30 = 5 * 6
$b = $a / $b; //5  = 30 / 6
$a = $a / $b; //6  = 30 / 5

echo "a ==> $a" , "\n\n", "b ==> $b","\n\n";
